Patents by Inventor Seok Ho JEONG

Seok Ho JEONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11939453
    Abstract: A plasticizer composition including a citrate-based material and an epoxidized oil, and the plasticizer composition capable of maintaining an excellent plasticization efficiency and providing an improved mechanical properties and stress resistance when compared with conventional phthalate-based plasticizer products.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Seok Ho Jeong, Jeong Ju Moon, Woo Hyuk Choi
  • Publication number: 20240089124
    Abstract: Disclosed herein are an apparatus and method for mutual authentication of quantum entities based on Measurement-Device-Independent Quantum Key Distribution (MDI-QKD). The method may include configuring a quantum input form based on an authentication key shared in advance with a counterpart entity, applying polarization modulation to the configured quantum input form, transmitting the quantum input form to which polarization modulation is applied to a quantum measurement device, and authenticating the counterpart entity by checking whether the counterpart entity configures a quantum input form according to the shared authentication key using a measurement result and information about polarization modulation.
    Type: Application
    Filed: March 24, 2023
    Publication date: March 14, 2024
    Inventors: Chang-Ho HONG, Se-Wan JI, O-Sung KWON, Youn-Chang JEONG, Eun-Ji KIM, Seok KIM, Haeng-Seok KO, Dae-Sung KWON, Jin-Gak JANG
  • Patent number: 11885471
    Abstract: A lamp for a vehicle that includes a board part, a light source part disposed on an upper surface of the board part and including a plurality of light sources that irradiate light, a lens part installed to surround the light source part and disposed on an upper side of the board part, and a reflection part installed on an upper side of the board part, and including a reflective surface that reflects the light irradiated from the light source part to change a travel path of the light, and the reflective surface contacts the lens part and phosphor is deposited thereon.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: January 30, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho Jeong, Sung Won Yang
  • Publication number: 20240002634
    Abstract: A plasticizer composition including isophthalate derived from a mixture of hexyl alcohol isomers and di(2-ethylhexyl) terephthalate, and a resin composition comprising the same are provided. The plasticizer composition used in the resin composition provides the same level of or improved plasticization efficiency, migration loss and volatile loss, and improved tensile strength and elongation rate.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 4, 2024
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Seung Taek WOO, Woo Hyuk CHOI
  • Patent number: 11851547
    Abstract: A plasticizer composition which includes a lower non-hybrid-type cyclohexane triester, a lower hybrid-type cyclohexane triester, a higher hybrid-type cyclohexane triester, and a higher non-hybrid-type cyclohexane triester, wherein the alkyl groups of the cyclohexane triesters are a combination of C3-C6 alkyl groups and C7-C10 alkyl groups. When the plasticizer composition is applied to a resin, stress resistance and mechanical properties are maintained at an equivalent level or improved, migration properties, volatile loss characteristics, and plasticization efficiency are balanced, and light resistance and heat resistance are significantly improved.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 26, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong, Woo Hyuk Choi
  • Publication number: 20230407049
    Abstract: The present disclosure is characterized in comprising an isophthalate-based composition and a citrate-based composition, wherein the isophthalate-based composition comprises di(2-ethylhexyl) isophthalate, hexyl(2-ethylhexyl) isophthalate and dihexyl isophthalate, the citrate-based composition comprises trihexyl citrate, and the hexyl group of the isophthalate and the hexyl group of the citrate are derived from an isomer mixture of hexyl alcohols. If the composition is applied to a resin, migration resistance and stress resistance may be improved, and on the other hand, mechanical properties may be improved.
    Type: Application
    Filed: January 28, 2022
    Publication date: December 21, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Seung Taek WOO, Woo Hyuk CHOI
  • Publication number: 20230374263
    Abstract: The present invention relates to a triester-based plasticizer composition characterized in comprising a product derived from the esterification of a hexanoic acid isomer mixture and a trihydric alcohol, wherein the degree of branching of the hexanoic acid isomer mixture is 2.0 or less. If the plasticizer composition is applied to a resin, migration resistance and volatile loss may be maintained to equal levels, and mechanical properties, absorption rate, stress migration and plasticization efficiency may be markedly improved in contrast to a case applying the conventional plasticizer.
    Type: Application
    Filed: June 22, 2022
    Publication date: November 23, 2023
    Inventors: Hyun Kyu Kim, Joo Ho Kim, Woo Hyuk Choi, Jeong Ju Moon, Seok Ho Jeong
  • Publication number: 20230365780
    Abstract: The present disclosure is characterized in comprising a terephthalate-based composition and a citrate-based composition, wherein the terephthalate-based composition comprises di(2-ethylhexyl) terephthalate, hexyl(2-ethylhexyl) terephthalate and dihexyl terephthalate, the citrate-based composition comprises trihexyl citrate, and the hexyl group of the terephthalate and the hexyl group of the citrate are derived from an isomer mixture of hexyl alcohols. If the composition is applied to a resin, migration resistance and stress resistance may be improved, and on the other hand, mechanical properties may be improved.
    Type: Application
    Filed: January 28, 2022
    Publication date: November 16, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Woo Hyuk CHOI
  • Patent number: 11815236
    Abstract: A light emitting diode (LED) module and a vehicle including the same, the LED module including a cover part, a substrate part connected to a front side of the cover part, a light emitting part that is electrically connected to the substrate part, is disposed in front of the substrate part, and emits light through a side surface thereof, and a lens part surrounding the side surface of the light emitting part and disposed in front of the substrate part, wherein the lens part has a fine protrusion shape on an outer surface thereof.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: November 14, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho Jeong, Jung Young Kim
  • Publication number: 20230340228
    Abstract: The present invention is characterized in including a dihexyl benzene dicarboxylate having an alkyl group derived from an isomer mixture of hexyl alcohol, in the case of applying to a resin, stress resistance and mechanical properties may be maintained to the same or higher levels, and plasticization efficiency may be markedly improved while maintaining the balance among tensile strength, elongation rate and migration resistance.
    Type: Application
    Filed: November 23, 2021
    Publication date: October 26, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Woo Hyuk CHOI, Jeong Ju MOON, Seok Ho JEONG
  • Patent number: 11795299
    Abstract: Provided is a plasticizer composition including a cyclohexane-1,2-diester-based material of Formula 1 and a trimellitate-based material of Formula 2: wherein in Formula 1 and Formula 2, R1 to R5 are each independently an alkyl group of 8 to 10 carbon atoms.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 24, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Woo Hyuk Choi, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20230331955
    Abstract: A plasticizer composition including isophthalate derived from a mixture of hexyl alcohol isomers and di(2-ethylhexyl) isophthalate, and a resin composition comprising the same are provided. The plasticizer composition used in the resin composition provides the same level of or improved plasticization efficiency, migration loss and volatile loss, and improved tensile strength and elongation rate.
    Type: Application
    Filed: November 23, 2021
    Publication date: October 19, 2023
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Seung Taek Woo, Woo Hyuk CHOI
  • Publication number: 20230304641
    Abstract: A light emitting diode (LED) module and a vehicle including the same, the LED module including a cover part, a substrate part connected to a front side of the cover part, a light emitting part that is electrically connected to the substrate part, is disposed in front of the substrate part, and emits light through a side surface thereof, and a lens part surrounding the side surface of the light emitting part and disposed in front of the substrate part, wherein the lens part has a fine protrusion shape on an outer surface thereof.
    Type: Application
    Filed: December 8, 2022
    Publication date: September 28, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho JEONG, Jung Young KIM
  • Patent number: 11767420
    Abstract: A plasticizer composition and a resin composition including the plasticizer composition. The resin composition addresses limitations associated with conventional plasticizers by improving various properties such as plasticization efficiency and mechanical properties including migration properties, volatile loss, tensile strength and elongation rate. The plasticizer composition is also capable of improving properties such as elongation retention and cold tolerance.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: September 26, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 11746079
    Abstract: Provided is a plasticizer composition, comprising: a cyclohexane-1,4-diester-based substance of the following Chemical Formula 1; an epoxidized alkyl ester composition comprising one or more compounds of the following Chemical Formula 2; and a citrate-based substance of the following Chemical Formula 3: wherein in Chemical Formula 1 to Chemical Formula 3; R1 and R2 each independently are a C8 alkyl group; R3 is a C8 to C20 alkyl group comprising one or more epoxy groups; and R4 to R7 each independently are a C4 to C10 alkyl group.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: September 5, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Seok Ho Jeong, Yun Ki Cho, Joo Ho Kim
  • Patent number: 11732107
    Abstract: The present invention relates to a plasticizer composition in which three types of cyclohexane 1,4-diester-based compounds prepared through trans-esterification and hydrogenation are mixed, wherein alkyl substituents of the dicarboxylate are a 2-ethylhexyl group and a butyl group or an isobutyl group, which has fewer carbon atoms than the 2-ethylhexyl group, so that the plasticizer composition may exhibit excellent properties in terms of stress resistance, migration resistance, plasticization efficiency, and the like while maintaining an excellent level of tensile strength and elongation rate, when used for a resin composition.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: August 22, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Seok Ho Jeong, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim
  • Publication number: 20230242737
    Abstract: The present invention relates to a plasticizer composition including a lower alkyl-based citrate and a higher alkyl-based citrate simultaneously as citrates, wherein effects are achieved through controlling the ratio of hybrid and nonhybrid types, and the ratio of lower alkyl and higher alkyl, and if the plasticizer composition is applied in a resin, stress resistance and mechanical properties may be maintained to the equal or better levels, balance between migration and loss properties, and plasticization efficiency may be achieved, and light resistance and heat resistance may be markedly improved.
    Type: Application
    Filed: August 6, 2021
    Publication date: August 3, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Woo Hyuk CHOI, Jeong Ju MOON, Seok Ho JEONG
  • Patent number: 11702529
    Abstract: A plasticizer composition, and a resin composition including the same. The plasticizer composition includes 70 to 99 wt % of a first plasticizer including a terephthalate-based material and a citrate-based material in a specific weight ratio; and 1 to 30 wt % of a second plasticizer including an epoxidized alkyl ester composition. The plasticizer composition has enhanced physical properties, such as thermal stability and light resistance. In addition, the plasticizer composition has stable and improved tensile and elongation properties, migration resistance and volatile loss.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: July 18, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong, Yun Ki Cho
  • Publication number: 20230204848
    Abstract: Disclosed is a LED module. The LED module includes a cover part, a board part connected to a front side of the cover part, a light emitting part electrically connected to the board part, disposed on a front side of the board part, and that emits light through a side surface thereof, and a panel part disposed on the front side of the board part, and the panel part includes a light guide unit including a plurality of light output parts that guides and outputs light emitted from the side surface of the light emitting part.
    Type: Application
    Filed: September 2, 2022
    Publication date: June 29, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho JEONG, Jung Young KIM
  • Patent number: 11688839
    Abstract: Disclosed is an LED module including a cover part, a board part connected to a front portion of the cover part, a light emitting part electrically connected to the board part, positioned on a front portion of the board part, and that emits light through a side surface thereof, a lens part surrounding the side surface of the light emitting part and positioned on the front portion of the board part, and a panel part, into which the lens part is inserted, having an optic part having a fine boss shape on an outer surface thereof, and positioned on the front portion of the board part.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: June 27, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Seok Ho Jeong